Fix issue 122 ('error: unrecognized command line option "-Wno-parentheses-equality"')
Fix issue 122 ('error: unrecognized command line option
"-Wno-parentheses-equality"')

setup.py: Remove compiler option -Wno-parentheses-equality; backing out
change in 90b2aa2ea01f

This option is only supported on clang and causes build problems with
gcc

klothe/pymssql,pymssql/pymssql,Aloomaio/pymssql,klothe/pymssql,JimDennis/pymssql,JimDennis/pymssql,JimDennis/pymssql,ramiro/pymssql,bladams/pymssql,bladams/pymssql,msabramo/pymssql,pymssql/pymssql,ramiro/pymssql,ramiro/pymssql,msabramo/pymssql,zerolugithub/pymssql,Aloomaio/pymssql,Aloomaio/pymssql,bladams/pymssql,zerolugithub/pymssql,msabramo/pymssql,klothe/pymssql,zerolugithub/pymssql